The worst-case for each and every system administrator is when some business-critical service fails, and you do not learn about it. How many times you had been pretty certain that everything is okay with the infrastructure until someone from the management called you and reported that the corporate mail server (or you name it what) is down? Yes, right, it absolutely was OK ten minutes ago once you sent your last e-mail, but now it’s down, and nobody at the office can send or receive e-mails. You missed the minute once the server crashed and, what’s worst, you obtain this news from your colleagues. Of course, it could be far better if right now someone notices a problem, you may report that you know about this and will work on the perfect solution is right now.
How exactly to detect problems?
Since early ages of computer networks, administrators used the ping utility to check the reachability of a bunch in the network. This utility can be acquired on virtually all platforms and enables testing hosts in the neighborhood network and in the Internet. Thus, the first obvious step for any administrator willing to check if the server is alive would be to ping it. The ping utility sends an ICMP request to the mark host and waits because of its reply. If the reply is not received within the timeout, the utility reports that the host is unreachable. It indicates that either the host has crashed and cannot send an answer, or the network connection to it’s broken, therefore the host cannot serve remote requests.
The ping utility can be utilized for one-time checking of the connection to the host so you could simply know if the host is up or down. Also, it may be launched in the monitoring mode when ping requests are sent to the host regularly, and you can see if the connection status changes. This process can be utilized to track the connection to 1 host, but when you yourself have multiple hosts, you need to continuously switch between console windows and risk missing the minute when one of the connections fails کاهش پینگ. The standard ping utility isn’t built to be utilized as a watchdog to track connections to 1 or multiple hosts, but if you need this feature, you need to use so-called network monitoring or ping monitoring tools.
Using ping monitor to track multiple hosts status
Ping monitoring tools can allow you to track the status of multiple hosts and be notified in regards to the hosts’ups and downs. Ping monitors could work in the 24/7 mode sending regular pings and analyzing responses to detect host outages.
There are a few free ping monitors available today to be used for personal and commercial needs, with EMCO Ping Monitor Free being one of the very powerful freeware tools. This is a visual interface utility that reports some parameters for each and every monitored host, including the common ping response time and the response time deviation, which enables you to evaluate the connection quality.
In case there is several ping failures to a bunch in a row, the utility reports an outage, meaning the connection to the host is lost. In this case, it can notify you by playing an audio, displaying an email in the tray, and sending an e-mail. You are able to configure all the options depending on your own needs. If you want to execute any custom action when the connection to a bunch is lost or restored, you are able to register special handlers in the utility. You may configure the command, application or script file to be executed automatically when the connection to a bunch is lost or restored.
To track connection to as much as five hosts, download a free of charge Ping Monitor tool from EMCO. A commercial version can be available. It doesn’t have limitation of the number of tracked hosts and includes a long set of features.